Gyro-less angular velocity estimation and intermittent attitude control of spacecraft using coarse-sensors based on geometric analysis
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105900
Abstract: Abstract Gyro-less angular velocity estimation is significant for the attitude control of spacecraft when the gyro is unavailable. The paper considered that the angular velocity remains almost constant in a short free-motion period, indicating that… read more here.
Keywords: attitude control; angular velocity; velocity; velocity estimation ... See more keywords
A new optical flow model for motor unit conduction velocity estimation in multichannel surface EMG
Sign Up to like & getrecommendations! Published in 2017 at "Computers in biology and medicine"
DOI: 10.1016/j.compbiomed.2017.02.006
Abstract: Many studies have demonstrated the feasibility and benefits of Conduction Velocity (CV) estimation from surface electromyograms (EMGs) in various experimental conditions. Among them, a method based on optical flow was proposed recently, demonstrating relatively accurate… read more here.
Keywords: estimation; emg; velocity estimation; conduction velocity ... See more keywords
Phase unwrapping methods for solving the ambiguity in current velocity estimation based on combined signal design
Sign Up to like & getrecommendations! Published in 2018 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2017.12.001
Abstract: Abstract Acoustic Doppler Current Profiler (ADCP) due to the Doppler principle is a powerful instrument for the current velocity measurement, where the complex autocorrelation function is a commonly used method to estimate the Doppler frequency… read more here.
Keywords: phase unwrapping; phase; current velocity; velocity estimation ... See more keywords
Angular velocity estimation from incremental encoder measurements in the presence of sensor imperfections
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.1260
Abstract: Abstract In the area of traction and brake control, measurements of the rotational velocity of the wheels are often affected by large periodic disturbances that arise from sensor imperfections and degrade the performance of any… read more here.
Keywords: sensor imperfections; angular velocity; velocity; velocity estimation ... See more keywords
Velocity estimation of flexible dynamics systems using virtual sensing.
Sign Up to like & getrecommendations! Published in 2020 at "ISA transactions"
DOI: 10.1016/j.isatra.2020.10.017
Abstract: In this paper, multiple virtual sensors derived from the equations of motion of a flexible dynamics system, are utilized to form a novel virtual sensing system able to estimate the angular and translation velocities. Measuring… read more here.
Keywords: velocity estimation; estimation flexible; sensing; virtual sensing ... See more keywords
Ultrasensitive velocity estimation via cyclic weak measurement
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.125117
Abstract: Abstract The weak-value-amplification technique has been shown to be advantageous for precision metrology. Previous weak-value-based applications have used only a small fraction of data while discarding the rest during post-selection. Here we consider the use… read more here.
Keywords: weak value; velocity estimation; velocity; ultrasensitive velocity ... See more keywords
Complex-Valued Channel Attention and Application in Ego-Velocity Estimation With Automotive Radar
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3054368
Abstract: Attention mechanisms have been widely integrated with various neural networks to boost performance. However, when an attention mechanism was applied to a radar ego-velocity estimation network, the importance of carefully handling the amplitude and phase… read more here.
Keywords: complex valued; attention; velocity estimation; ego velocity ... See more keywords
Radial Velocity Estimation for Multiple Objects Using In-Air Sonar With MIMO Virtual Arrays
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2022.3154395
Abstract: As autonomous platforms become more advanced, it is useful to obtain more information about the environment. Classic vision sensors such as RGB-D cameras, LiDAR, or acoustical imaging cameras are capable of accurately displaying the location… read more here.
Keywords: velocity estimation; multiple objects; velocity; objects using ... See more keywords
Efficient Velocity Estimation and Location Prediction in Underwater Acoustic Sensor Networks
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2021.3094305
Abstract: Underwater Acoustic Sensor Networks (UASNs) have been widely applied in marine monitoring, military reconnaissance, hydrology surveys, etc. Their location information is an important apriori knowledge when they are carried out underwater. However, the complex underwater… read more here.
Keywords: location; velocity estimation; velocity; acoustic sensor ... See more keywords
Moving Ship Velocity Estimation Using TanDEM-X Data Based on Subaperture Decomposition
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2018.2846399
Abstract: In this letter, a velocity estimation method for moving ships in synthetic aperture radar (SAR) images is proposed based on a subaperture decomposition technique. In contrast to traditional methods, our method needs only a few… read more here.
Keywords: subaperture; subaperture decomposition; based subaperture; velocity estimation ... See more keywords
Improving Ego-Velocity Estimation of Low-Cost Doppler Radars for Vehicles
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2022.3191247
Abstract: A low-cost automotive radar is often used in autonomous driving and advanced driver-assistance systems. However, the low cost radar often assumes all detected objects to be on the ground plane when estimating radar/vehicle ego-velocity, but… read more here.
Keywords: ego velocity; velocity estimation; velocity; low cost ... See more keywords